Remove recommendation not to use parallel make
Remove recommendation not to use parallel make

Since it does work and is being maintained!

yunxing/ocaml,yunxing/ocaml,yunxing/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,eliberis/ocaml,msprotz/ocaml,yunxing/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,eliberis/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,msprotz/ocaml,gerdstolpmann/ocaml